/**
 * this is javadoc!
 */
public class demo1 {
    public static void main(String[] args){
        System.out.println(Character.MAX_VALUE);
        char a = 'a';
        System.out.println(a);
        System.out.println((char) Character.MAX_VALUE);
        System.out.println((char) 2100000001);
        int b = 11;
        char c = 'a';
        char d = 'f';
        /* String e = c+d;*/
        System.out.println(d+0);
        System.out.println(c+d);
        System.out.println(true^false);
    }
}

